Patents by Inventor Ji-hyun Choi

Ji-hyun Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250099959
    Abstract: Disclosed are an improved guide device capable of being easily replaced for damage, and a detector having the same. The guide device includes a first plate configured to have a plurality of grooves disposed in one surface thereof; and a second plate configured to be in contact with the first plate, wherein the second plate is in contact with the first plate to separate a plurality of channels, wherein the first plate is configured so that the plurality of microdroplets pass through any one of the plurality of channels, the fluid passes through channels facing each other among the plurality of flow channels, and the microdroplets are regularly spaced apart by the fluid that is discharged from the channels facing each other.
    Type: Application
    Filed: December 10, 2024
    Publication date: March 27, 2025
    Applicant: BioTNS Co., Ltd.
    Inventors: Bong Suk Kim, Byeong ll Kim, Ji Soo Lee, Chan Min Park, Won Rae Lim, Hyeon Woo Kang, So Young Kim, Song Yi Baek, Ji Hyun Choi, Yik Jae Lee
  • Patent number: 12221458
    Abstract: The present invention relates to an organic borate-based catalyst including a compound represented by the following Formula 1 and a hydroxyl group-containing compound, a method for preparing an isobutene oligomer using the same and an isobutene oligomer prepared thereby: wherein R0, R1 to R4, o, p, q and r are described therein.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: February 11, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Gyeong Shin Choi, Ji Hyun Choi, Won Hee Kim, Jin Lee, Dong Hyun Jo, Jeong Sik Kim
  • Patent number: 12194467
    Abstract: Disclosed are an improved guide device capable of being easily replaced for damage, and a detector having the same. The guide device includes a first plate configured to have a plurality of grooves disposed in one surface thereof; and a second plate configured to be in contact with the first plate, wherein the second plate is in contact with the first plate to separate a plurality of channels, wherein the first plate is configured so that the plurality of microdroplets pass through any one of the plurality of channels, the fluid passes through channels facing each other among the plurality of flow channels, and the microdroplets are regularly spaced apart by the fluid that is discharged from the channels facing each other.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: January 14, 2025
    Assignee: BioTNS Co., Ltd.
    Inventors: Bong Suk Kim, Byeong Il Kim, Ji Soo Lee, Chan Min Park, Won Rae Lim, Hyeon Woo Kang, So Young Kim, Song Yi Baek, Ji Hyun Choi, Yik Jae Lee
  • Publication number: 20240321344
    Abstract: A memory device is provided. The memory device includes a memory cell array including a plurality of memory cells arranged in a plurality of columns and rows and including first and second memory cells in a same column and different rows, the plurality of columns intersecting the plurality of rows in a plan view, a first bit line transistor electrically connected between the first memory cell and a first bit line metal line and a second bit line transistor electrically connected between the second memory cell and a second bit line metal line, wherein the first bit line metal line is on an upper surface of the memory cell array, and the second bit line metal line is on a lower surface of the memory cell array opposite the upper surface of the memory cell array.
    Type: Application
    Filed: March 21, 2024
    Publication date: September 26, 2024
    Inventors: Ji-Hyun Choi, Ho Young Tang, Eo Jin Lee, Tae-Hyung Kim, Yu Tak Jeong
  • Patent number: 12070752
    Abstract: Disclosed are an improved guide device capable of being easily replaced for damage, and a detector having the same. The guide device includes a first plate configured to have a plurality of grooves disposed in one surface thereof; and a second plate configured to be in contact with the first plate, wherein the second plate is in contact with the first plate to separate a plurality of channels, wherein the first plate is configured so that the plurality of microdroplets pass through any one of the plurality of channels, the fluid passes through channels facing each other among the plurality of flow channels, and the microdroplets are regularly spaced apart by the fluid that is discharged from the channels facing each other.
    Type: Grant
    Filed: February 27, 2024
    Date of Patent: August 27, 2024
    Assignee: BioTNS Co., Ltd.
    Inventors: Bong Suk Kim, Byeong Il Kim, Ji Soo Lee, Chan Min Park, Won Rae Lim, Hyeon Woo Kang, So Young Kim, Song Yi Baek, Ji Hyun Choi, Yik Jae Lee
  • Publication number: 20240198342
    Abstract: Disclosed are an improved guide device capable of being easily replaced for damage, and a detector having the same. The guide device includes a first plate configured to have a plurality of grooves disposed in one surface thereof; and a second plate configured to be in contact with the first plate, wherein the second plate is in contact with the first plate to separate a plurality of channels, wherein the first plate is configured so that the plurality of microdroplets pass through any one of the plurality of channels, the fluid passes through channels facing each other among the plurality of flow channels, and the microdroplets are regularly spaced apart by the fluid that is discharged from the channels facing each other.
    Type: Application
    Filed: February 27, 2024
    Publication date: June 20, 2024
    Applicant: BioTNS Co., Ltd.
    Inventors: Bong Suk Kim, Byeong Il Kim, Ji Soo Lee, Chan Min Park, Won Rae Lim, Hyeon Woo Kang, So Young Kim, Song Yi Baek, Ji Hyun Choi, Yik Jae Lee
  • Publication number: 20240120547
    Abstract: The present disclosure relates to: a lithium secondary battery including a positive electrode, a separator, and a negative electrode, the lithium secondary battery being injected with an electrolyte solution containing a eutectic mixture of succinonitrile and lithium salt as a solvent; and a method for manufacturing the lithium secondary battery.
    Type: Application
    Filed: March 28, 2022
    Publication date: April 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sook YUN, Ji Hyun CHOI
  • Patent number: 11936166
    Abstract: A switchboard monitoring system, according to one embodiment of the present specification, comprises: a thermal imaging apparatus for acquiring thermal imaging information of a device disposed in a switchboard panel; and a control apparatus for receiving the thermal imaging information from the thermal imaging apparatus, generating temperature information of the device on the basis of the received thermal imaging information, and detecting the temperature state of the device on the basis of the generated temperature information.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: March 19, 2024
    Assignee: LS ELECTRIC CO., LTD.
    Inventor: Ji-Hyun Choi
  • Patent number: 11929500
    Abstract: An electrode assembly, in which a positive electrode, a separator, and a negative electrode are repeatedly stacked includes a shrinkage film made of a material having a thermal shrinkage rate greater than that of the separator, the shrinkage film being shrunk in area at a specific temperature or more, wherein the shrinkage film is disposed instead of the separator at one or more positions between the positive electrode and the negative electrode so that, when the shrinkage film is shrunk by an increase of a temperature, the positive electrode and the negative electrode, which are adjacent to each other with the shrinkage film therebetween, partially contact each other to generate microcurrent.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: March 12, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Ji Hyun Choi, Han Young Lee
  • Publication number: 20240075110
    Abstract: The present invention provides a method for preventing or treating a liver disease selected from the group consisting of non-alcoholic fatty liver, non-alcoholic steatohepatitis and hepatic fibrosis comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide, and an expression vector comprising the polynucleotide.
    Type: Application
    Filed: September 15, 2023
    Publication date: March 7, 2024
    Inventors: Chang Woo LEE, Jin Kwan LEE, Hyun Soo KIM, Ji Hyun CHOI, Se Eun BYEON, HAE IN LEE, HYEONJU JO
  • Patent number: 11793862
    Abstract: The present invention provides a method for preventing or treating a liver disease selected from the group consisting of non-alcoholic fatty liver, non-alcoholic steatohepatitis and hepatic fibrosis comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide, and an expression vector comprising the polynucleotide.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: October 24, 2023
    Assignee: CUROGEN TECHNOLOGY CO., LTD.
    Inventors: Chang Woo Lee, Jin Kwan Lee, Hyun Soo Kim, Ji Hyun Choi, Se Eun Byeon, Hae In Lee, Hyeonju Jo
  • Publication number: 20230280408
    Abstract: A battery management system includes a sensing unit to generate a sensing signal indicating a battery voltage and a battery current of a battery, a memory unit to store a charge map recording a correlation between first to nth reference state of charge (SOC) ranges, first to nth reference currents and first to nth reference voltages for multi-stage constant-current charging, and a control unit to change to constant voltage charging using a kth reference voltage corresponding to a kth reference SOC range in response to the battery voltage having reached the kth reference voltage during constant current charging using a kth reference current corresponding to the kth reference SOC range to which an SOC of the battery belongs. The control unit updates the kth reference current of the charge map based on a time-series of the battery current in a charging period of the constant voltage charging.
    Type: Application
    Filed: August 5, 2021
    Publication date: September 7, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gi-Min Nam, Hyeong-Seok Kim, Eun-Yong Park, Ji-Hyun Choi, Won-Tae Joe, Song-Taek Oh
  • Patent number: 11730993
    Abstract: The present invention relates to an extinguishing composition and comprises an extinguishing material and a capsule containing the extinguishing material, and the extinguishing material comprises calcium bromide (CaBr2).
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: August 22, 2023
    Assignees: LG ENERGY SOLUTION, LTD., KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP
    Inventors: Yeo Min Yoon, Ji Hyun Choi, Bum Young Jung, Jeong Ho Ha, Ki Jae Kim, Yong Keon Ahn, Kyu Bin Lee, Yustian Suharto
  • Patent number: 11677880
    Abstract: A switchboard management system according to an embodiment of the present disclosure comprises: at least one gateway connected to at least one from among a plurality of circuit breakers in a switchboard panel; and a server connected to the at least one gateway, wherein the at least one gateway comprises an environment sensing unit for acquiring environment data on the at least one circuit breaker connected thereto, and the server receives, from the at least one gateway, driving information on the plurality of circuit breakers and the environment data and predicts the remaining lifespan of each of the plurality of circuit breakers on the basis of the received driving information and environment data.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: June 13, 2023
    Assignee: LS ELECTRIC CO., LTD.
    Inventor: Ji-Hyun Choi
  • Publication number: 20230104062
    Abstract: The present invention relates to an apparatus and method for evaluating a heat-resisting property of a separator. The apparatus for evaluating a heat-resisting property of a separator includes: a separator fixing unit at which a target separator is fixed; a nail which is positioned to be perpendicular to the separator on one surface of the separator and penetrates the separator by a vertical movement; a heating unit which heats the nail; and a temperature measuring unit which measures a temperature of the separator penetrated by the nail.
    Type: Application
    Filed: November 17, 2021
    Publication date: April 6, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dong Sik YOON, Ji Hyun CHOI
  • Publication number: 20230025176
    Abstract: The present invention provides a method for preventing or treating a liver disease selected from the group consisting of non-alcoholic fatty liver, non-alcoholic steatohepatitis and hepatic fibrosis comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide, and an expression vector comprising the polynucleotide.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 26, 2023
    Inventors: Chang Woo LEE, Jin Kwan LEE, Hyun Soo KIM, Ji Hyun CHOI, Se Eun BYEON, HAE IN LEE, HYEONJU JO
  • Publication number: 20220289875
    Abstract: The present invention relates to a method for preparing a liquid rubber, and relates to a method for preparing a liquid rubber, including performing polymerization reaction of a conjugated diene-based monomer in the presence of an organic solvent and a catalyst composition (S10), wherein the catalyst composition includes a catalyst including a compound represented by the following Formula 1, and a liquid rubber prepared therefrom: wherein R, R1 to R4, and o, p, q and r are described herein.
    Type: Application
    Filed: April 1, 2021
    Publication date: September 15, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hyun Choi, Gyeong Shin Choi, Won Hee Kim, Jong Yeol Baek, Hee Jeong Kim
  • Patent number: 11409676
    Abstract: Provided is a SoC, a memory device, an electronic device and a method for storing data in an electronic device. The electronic device comprises a host configured to output data, and a memory device including a memory storage configured to receive the data and to store the data. The host is configured to generate data bus inversion (DBI) information on the data to be provided to the memory device in accordance with a data parallelizing system, the data parallelizing system being inside the memory device, and to provide the DBI information to the memory device. The memory device is configured to provide the data to the memory storage, the data output from the host, the data encoded in accordance with the DBI information, the providing the data being in accordance with the data parallelizing system.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: August 9, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Hyun Choi, Hyun-Joong Kim, Joon Sik Sohn, Woong-Jae Song, Soo-Woong Ahn, Seung-Hyun Cho
  • Publication number: 20220203369
    Abstract: Disclosed are an improved guide device capable of being easily replaced for damage, and a detector having the same. The guide device includes a first plate configured to have a plurality of grooves disposed in one surface thereof; and a second plate configured to be in contact with the first plate, wherein the second plate is in contact with the first plate to separate a plurality of channels, wherein the first plate is configured so that the plurality of microdroplets pass through any one of the plurality of channels, the fluid passes through channels facing each other among the plurality of flow channels, and the microdroplets are regularly spaced apart by the fluid that is discharged from the channels facing each other.
    Type: Application
    Filed: March 19, 2021
    Publication date: June 30, 2022
    Inventors: Bong Suk Kim, Byeong Il Kim, Ji Soo Lee, Chan Min Park, Won Rae Lim, Hyeon Woo Kang, So Young Kim, Song Yi Baek, Ji Hyun Choi, Yik Jae Lee
  • Publication number: 20220204533
    Abstract: The present invention relates to an organic borate-based catalyst including a compound represented by the following Formula 1 and a hydroxyl group-containing compound, a method for preparing an isobutene oligomer using the same and an isobutene oligomer prepared thereby: wherein R0, R1 to R4, o, p, q and r are described therein.
    Type: Application
    Filed: August 19, 2020
    Publication date: June 30, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Gyeong Shin Choi, Ji Hyun Choi, Won Hee Kim, Jin Lee, Dong Hyun Jo, Jeong Sik Kim